The petrochemical industry involves a vast array of high-pressure vessels, pipelines and reactors, handling media that are often flammable, explosive and highly corrosive. Overpressure is a common risk in these systems, one that could lead to equipment damage or even major accidents. Rupture discs paired with Specialized rupture disc holders deliver reliable overpressure protection for such scenarios.
Specialized rupture disc holders are devices designed specifically to secure rupture discs. They ensure proper installation, reliable sealing and smooth rupture of the discs in the event of overpressure. In the petrochemical sector, these holders are widely used in oil refining units, cracking furnaces, storage tanks, pipeline systems and other equipment, working in tandem with rupture discs to form a robust safety protection system.
Functions and Structural Features of Rupture Disc Holders:
The primary functions of Specialized rupture disc holders are to fix the rupture discs securely, prevent damage during installation and provide excellent sealing performance. They typically adopt an embedded structure, allowing pre-assembly of rupture discs in the workshop—this boosts on-site installation efficiency and safety significantly.
These holders are engineered to match standard flange dimensions, enabling easy connection to pressure vessels or pipelines for flexible installation. Depending on the properties of the media and operating conditions, holders can be fabricated from different materials to withstand corrosive and high-temperature environments.
Technical Advantages in Petrochemical Applications:
Precision Positioning and Error-Proof Design: The clamping surfaces of the holders are equipped with locating pins, ensuring that rupture discs are centered perfectly after installation and preventing functional failure caused by incorrect orientation of the discs.
Rupture Disc Protection: The inlet height of the holders is carefully designed to protect the arched surfaces of the rupture discs, avoiding damage during installation or operation.
Reliable Sealing: The holders employ metal-to-metal hard sealing, which guarantees zero leakage at the clamping surfaces—making them ideal for handling corrosive media in the petrochemical industry.
Directional Indication and Monitoring: Nameplates on the holders feature arrows indicating the pressure relief direction of the media, simplifying operational procedures. Pressure monitors can also be installed at the outlet to provide real-time system status monitoring.
Selection and Maintenance Recommendations:
When selecting holders for petrochemical applications, verify that the flange dimensions, thickness and gasket types are compatible with the existing system.
Regularly inspect the holders for signs of corrosion, leakage or excessive torque requirements. If any of these issues are detected, replace the holders promptly to maintain system safety. All holders undergo visual inspection and performance testing before leaving the factory; it is advisable to pair their use with regular maintenance routines.
Shenyang Xinguang Aerospace Safety Systems Co., Ltd. is a pioneer in China’s professional research, development, production and service of rupture disc safety devices. Tracing its roots back to 1959 as part of the Aerospace Xinguang Group, the company boasts over 60 years of industry experience and holds CE and ASME UD certifications. Its products are widely used across the petrochemical industry and beyond.
We offer precision-engineered Specialized rupture disc holders and customized solutions. We welcome all purchasers to contact us for potential business cooperation!
